Selenicereus costaricensis, synonym Hylocereus costaricensis, known as the Costa Rican pitahaya or Costa Rica nightblooming cactus, is a cactus species native to Central America and north-eastern South America.

[1] The species is grown commercially for its fruit, called pitaya or pitahaya, but is also an impressive ornamental vine with huge flowers.

The plant Weber described had a triangular stem-like Cereus trigonus, but was "distinguished by its more glaucous stem and especially by its fruit, just as big but more spherical, less scaly, and filled with a crimson pulp of a very delicate taste.

[8] The species is native from Nicaragua to northern Peru,[11] although its natural range is hard to determine because it has been cultivated so widely.

It occurs in dry or deciduous coastal forests, at elevations of 0–1,400 m (0–4,600 ft) above sea level.